Inventor
VAGO OTTO Z
US13 patents
⚠️ This page may combine multiple inventors who share the name “VAGO OTTO Z”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
STATE IND INC
11 patentsUS5020512AJun 4, 1991
Water heater construction and method of heating water
STATE IND INC83 citations92
US4838211AJun 13, 1989
Water heater construction and method of heating water
STATE IND INC26 citations92
US5913675AJun 22, 1999
Low NOx gas burner
STATE IND INC30 citations90
USD400971SNov 10, 1998
Gas-fired water heater
STATE IND INC24 citations90
USD388868SJan 6, 1998
Electric water heater
STATE IND INC21 citations90
US5158200AOct 27, 1992
Tank connector construction and method of fabrication
STATE IND INC40 citations90
US6029615AFeb 29, 2000
Water heater construction and fabrication method therefor
STATE IND INC21 citations83
US6612301B2Sep 2, 2003
Water heater
STATE IND INC12 citations73
US4889105ADec 26, 1989
Water heater construction and method of manufacture
STATE IND INC17 citations70
US4791888ADec 20, 1988
Water heater tank construction
STATE IND INC3 citations62
US5988116ANov 23, 1999
Low NOx gas burner and method of operation
STATE IND INC2 citations60